Toward a transdisciplinary and unifying definition of legacy phosphorus
Journal of Environmental Quality,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 8, 2024
Abstract
Legacy
phosphorus
(P)
is
a
concept
advanced
by
Dr.
Andrew
Sharpley
and
colleagues
that
was
originally
applied
to
the
persistence
of
anthropogenic
signatures
in
watersheds,
it
has
since
been
adopted
diversity
settings
help
guide
science
management
P.
Following
Sharpley's
example
develop
consensus‐based
science,
we
considered
contrasting
perspectives
on
legacy
P
defined
as
those
stores
within
environment
arise
from
historic
human
activity
excluding
“natural”
or
“background”
geogenic
sources.
not
restricted
one
system
setting;
may
reside
soils,
sediments,
biota,
water
bodies.
estimated
fluxes
(inputs
minus
outputs
system)
or,
equivalently,
mass
stocks
(total
geogenic).
Because
origin
cannot
currently
be
directly
quantified,
recommend
researchers
report
“total
P”
track
wider
watershed
include
We
recognize
definition
will
continue
evolve
work
toward
consensus.
Ultimately,
final
consequences
for
implementation
success
regulatory
voluntary
strategies
agricultural
systems.
support
continued
progress
consensus‐backed,
research‐grounded
widely
applicable
yet
useful
guiding
policy.
Язык: Английский
Differential Stimulation of Phosphorus-Mobilizing Bacteria by Common Bean Genotypes in Amazonian Dark Earth and Agricultural Soils with Varying Fertility Levels
Rhizosphere,
Год журнала:
2025,
Номер
unknown, С. 101026 - 101026
Опубликована: Фев. 1, 2025
Язык: Английский
Phosphorus acquisition by faba bean, blue lupin, and chickpea in relation to soil phosphorus status
Soil Use and Management,
Год журнала:
2024,
Номер
40(3)
Опубликована: Июль 1, 2024
Abstract
The
efficiency
of
soil
phosphorus
(P)
mobilization
and
uptake
by
plants
depends
on
a
complex
combination
factors,
including
plant
P
acquisition
strategies
availability.
objective
this
study
was
to
assess
compare
the
capabilities
three
legume
species
(blue
lupin
(
Lupinus
angustifolius
L.),
faba
bean
Vicia
chickpea
Cicer
arietinum
L.)),
which
may
be
used
as
green
manures
in
temperate
crop
systems
acquire
from
with
different
levels
plant‐available
P.
Three
cycles
each
were
grown
glasshouse
over
6
month
period
same
type
high
(Olsen
P:
47
mg
kg
−1
)
low
9
Measurements
included
above—and
below—ground
biomass
uptake,
addition
determination
acid
alkaline
phosphomonoesterase
activities,
microbial
P,
fractions
at
end
experiment.
In
both
soils,
biomass,
all
higher
under
compared
blue
p
<
.05).
low‐P
soil,
increased
activity
Significant
depletion
inorganic
soluble
(46%–69%),
labile
(29%–42%),
moderately
(15%–16%)
pools
increase
organic
(13%–18%)
total
(7%–13%)
occurred
lupin,
while
changes
between
those
determined
for
findings
indicated
that
inclusion
manure
have
potential
improve
overall
use
enhancing
although
further
research
is
required
investigate
more
stable
forms
legacy
quantify
field
conditions.
Язык: Английский
Effect of P Reduction on phoD-Harboring Bacteria Community in Solar Greenhouse Soil
Agriculture,
Год журнала:
2024,
Номер
14(11), С. 1919 - 1919
Опубликована: Окт. 29, 2024
Phosphorus
(P)
enrichment
frequently
occurs
in
the
soil
used
greenhouse
vegetable
production
(GVP).
Minimizing
application
of
P
fertilizer
represents
a
crucial
approach
to
mitigating
accumulation
and
enhancing
its
utilization
efficiency.
However,
changes
bacterial
communities
turnover
mechanism
fractions
related
cycling
after
reduction
are
still
unclear.
To
unravel
these
complexities,
we
devised
three
experimental
treatments:
conventional
nitrogen
(N),
P,
potassium
(K)
(N1P1K1);
N
K
without
(N1P0K1);
no
(N0P0K0).
These
experiments
were
conducted
elucidate
effects
on
cucumber
plant
growth,
fractions,
phoD-harboring
community
P-rich
soil.
The
results
showed
that
there
significant
differences
between
N1P1K1
N1P0K1
treatments
terms
yield,
uptake,
values
for
N0P0K0
treatment
significantly
lower
than
those
treatment.
In
state
depletion
(N0P0K0,
N1P0K1),
main
sources
Resin-Pi,
NaHCO3-Pi,
NaHCO3-Po,
NaOH-Pi.
contents
NaOH-Po
CHCl-Po
increased
significantly.
Without
fertilizer,
alkaline
phosphatase
(ALP)
activity,
phoD
gene
abundance,
diversity
increased.
abundance
Ensifer
was
8
10.58
times
treatment,
respectively.
Additionally,
total
phosphorus
(TP)
available
(AN)
key
factors
affecting
community,
while
Shinella,
Bradyrhizobium
driving
change
NaHCO3-Pi
NaOH-Pi
crop
yield.
Therefore,
reducing
will
increases
phoD-gene-harboring
promote
organic
mineralization,
thus
maintaining
optimal
Язык: Английский